نتایج جستجو برای: antifreeze admixtures

تعداد نتایج: 2332  

Journal: :Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan 2004
Junko Kizu Wataru Ichihara Eriko Tomonaga Junko Abe Tomoko Watanabe Tadao Inoue Seiji Hori

We surveyed the prescriptions from the Department of Dermatology in a city hospital to determine the status of the use of admixtures of corticosteroid ointments with other ointments. Thirty percent of the prescriptions of topical ointment therapy for outpatients of the Department were for admixture ointments. They were prescribed for patients aged 2 months to over 90 years. The mixing ratios of...

Journal: :Beilstein Journal of Organic Chemistry 2012

2007
Stefan Mühlebach

• To know the different systems for parenteral nutrition; their advantages and limits; • To know the risks associated with the compounding/ready-to-use preparation of AiO PN admixtures (GMP and potential incompatibility reactions) and the pharmacist’s tasks and responsibility for an admixing service; • To understand the general advice not to admix drugs to PN AiO admixtures, unless documented o...

Journal: :The Biochemical journal 1999
M Smallwood D Worrall L Byass L Elias D Ashford C J Doucet C Holt J Telford P Lillford D J Bowles

A modified assay for inhibition of ice recrystallization which allows unequivocal identification of activity in plant extracts is described. Using this assay a novel, cold-induced, 36 kDa antifreeze protein has been isolated from the tap root of cold-acclimated carrot (Daucus carota) plants. This protein inhibits the recrystallization of ice and exhibits thermal-hysteresis activity. The polypep...

2013
M. Yousaf A. H. Khan

Increasing trend in urbanization and industrialization has necessitated production of high rise buildings with an innovation to make an optimized use of reduced available land in thickly populated areas, which is not possible by standard conventional concrete. Such a different concrete can be created only through different types of admixtures, which when added at various stages of concrete prod...

2016

Automated compounding devices are frequently used by pharmacists for the extemporaneous preparation of parenteral nutrition admixtures. This continuing shift from manual compounding procedures comes as a result of significant advances in automated technology, as well as in response to changing health care demands to provide admixture compounding in a safer, more efficient, and more accurate man...

Journal: :Journal of the American Chemical Society 2005
Christina S Strom Xiang Yang Liu Zongchao Jia

The crystal growth process by which fish antifreeze proteins (AFPs) and antifreeze glycoproteins (AFGPs) modify the ice morphology is analyzed in the AFP-ice system. A newly identified AFP-induced surface reconstruction mechanism enables one-dimensional helical and irregular globular ice binding surfaces to stabilize secondary, kinetically less stable ice surfaces with variable face indices. No...

2017
Daniel E Mitchell Guy Clarkson David J Fox Rebecca A Vipond Peter Scott Matthew I Gibson

Antifreeze proteins are produced by extremophile species to control ice formation and growth, and they have potential applications in many fields. There are few examples of synthetic materials which can reproduce their potent ice recrystallization inhibition property. We report that self-assembled enantiomerically pure, amphipathic metallohelicies inhibited ice growth at just 20 μM. Structure-p...

2015
L. Ferrara

ID No:180 ABSTRACT In this paper aims a thorough characterization will be performed of the effects of crystalline admixtures, currently employed as porosity reducing admixtures, on the self-healing capacity of the cementitious composites, i.e. their capacity to completely or partially re-seal cracks and, in case, also exhibit recovery of mechanical properties.In this paper aims a thorough chara...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2009
Matthias Hofmann Stefan Rahmstorf

One of the most important large-scale ocean current systems for Earth's climate is the Atlantic meridional overturning circulation (AMOC). Here we review its stability properties and present new model simulations to study the AMOC's hysteresis response to freshwater perturbations. We employ seven different versions of an Ocean General Circulation Model by using a highly accurate tracer advectio...

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